We are looking to fill this role immediately and are reviewing applications daily. Expect a fast, transparent process with quick feedback.

Why join us?

We are a European deep-tech leader in quantum and AI, backed by major global strategic investors and strong EU support. Our groundbreaking technology is already transforming how AI is deployed worldwide — compressing large language models by up to 95% without losing accuracy and cutting inference costs by 50–80%.
Joining us means working on cutting-edge solutions that make AI faster, greener, and more accessible — and being part of a company often described as a “quantum-AI unicorn in the making.”

We offer:

• Competitive annual salary starting from €45,000, based on experience and qualifications.

• Two unique bonuses: signing bonus at incorporation and retention bonus at contract completion.

• Relocation package (if applicable).

• Up to 9-month contract, ending on June 2026.

• Hybrid role and flexible working hours.

• Be part of a fast-scaling Series B company at the forefront of deep tech.

• Equal pay guaranteed.

• International exposure in a multicultural, cutting-edge environment.

About the Role

We are seeking a highly motivated Pre-Sales Engineer to join our team. The ideal candidate will bridge technical expertise with strong communication skills, supporting the sales process by designing solutions, delivering demos, and advising customers on technical requirements. You will play a critical role in engaging with clients, understanding their challenges, and positioning our solutions to meet their needs.

Key Responsibilities

• Collaborate with sales, product and engineering team teams to understand customer requirements and propose tailored technical solutions.
• Design and deliver compelling product demonstrations
• Contribute to RFP/RFI submissions RFP/RFI responses with detailed technical input.
• Work with product and engineering teams to align customer needs with product capabilities.
• Translate complex technical concepts into clear, business-relevant language for clients.
• Stay up to date with emerging technologies in AI, machine learning, and cloud infrastructure.
• Manage model delivery to our customers and trials for potential customers.
• Traveling: Must be available to travel as needed for meetings, conferences, and project requirements.

Desired Skills & Experience

• Junior: 1-2 years of experience in software engineering with focus on machine learning and data science.
• Mid: 2+ years of experience in software engineering with focus on machine learning and data science.
• Strong background in AI/ML, data science, or computer engineering, with hands-on experience in machine learning models (e.g., transformers, CNNs, ViTs, LLMs).
• Proficiency in Python, with exposure to ML frameworks such as PyTorch or TensorFlow.
• Experience with cloud platforms (AWS, GCP, or Azure) and containerized environments (Docker, Kubernetes).
• Excellent communication and presentation skills; able to engage both technical and non-technical audiences.
• Strong problem-solving skills and the ability to lead technical discussions with customers.

Nice-to-Have

• Experience in computer vision or NLP projects.
• Prior exposure to healthcare, finance, or enterprise data systems.
• Contributions to research papers, hackathons, or open-source projects.

Education

• Bachelor’s or Master’s degree in Computer Science, Data Science, Engineering, or related field.

About Multiverse Computing

Founded in 2019, we are a well-funded, fast-growing deep-tech company with a team of 180+ employees worldwide. Recognized by CB Insights (2023 & 2025) as one of the Top 100 most promising AI companies globally, we are also the largest quantum software company in the EU.
Our flagship products address critical industry needs:

• CompactifAI → a groundbreaking compression tool for foundational AI models, reducing their size by up to 95% while maintaining accuracy, enabling portability across devices from cloud to mobile and beyond.

• Singularity → a quantum and quantum-inspired optimization platform used by blue-chip companies in finance, energy, and manufacturing to solve complex challenges with immediate performance gains.

You’ll be working alongside world-leading experts in quantum computing and AI, developing solutions that deliver real-world impact for global clients. We are committed to an inclusive, ethics-driven culture that values sustainability, diversity, and collaboration — a place where passionate people can grow and thrive. Come and join us!

As an equal opportunity employer, Multiverse Computing is committed to building an inclusive workplace. The company welcomes people from all different backgrounds, including age, citizenship, ethnic and racial origins, gender identities, individuals with disabilities, marital status, religions and ideologies, and sexual orientations to apply.

Department

Technical

Locations

San Sebastian, Spain, Madrid, Barcelona

Employment type

Contract

Workplace type

Hybrid

Seniority level

Associate

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